iQ charts

TE138

Line pairs per cm (1-28.5 LP/cm)

The TE138 is designed for resolution measurements. Frequencies from 1-28.5 line pairs per centimeter are printed on a white background. The patterns are ordered clockwise in decreasing resolution on the chart.

Chart sizes

The test charts are available in the sizes listed below. However, for technical reasons, some charts cannot be manufactured in all sizes. Please do not hesitate to ask for additional information.

During production, specific regions of test charts are measured to qualify the production process or to create individual reference data accompanying a test chart additionally. Measured regions can be color or gray tones.

The measurement devices are calibrated regularly and proven before use. You can find further information in our reference data accuracy sheet.